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Home >> Lexus >> 2006 >> RX 330 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Brakes - Abs With EBD & BD & TRAC & VSC (Diagnostics)) >> DTC C1231/31, C1290/66: Malfunction In Steering Angle Sensor; Malfunction In Zero Point Of Steering Sensor >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

The steering angle sensor signal is sent to the skid control ECU through the CAN communication system. When there is a malfunction in the communication system, it will be detected by the diagnosis function.

DIAGNOSTIC TROUBLE CODE TABLE

DTC No. DTC Detection Condition Trouble Area
C1231/31 When ECU IG1 terminal voltage is 9.5 V or more, the steering angle sensor malfunction signal is received.
  • Steering angle sensor
  • Steering angle sensor circuit
  • Steering angle sensor power supply
  • CAN communication system
C1290/66 The steering angle sensor zero point calibration position vastly differs from the recorded value. Steering angle sensor